According to a study by Flurry, China has overtaken the U.S. in mobile device activations. From March 2012, China now represents 24 percent of global activations, while the U.S. has 21 percent.

Additionally, China is the fastest growing country in terms of app sessions, showing 1126 percent growth since the first quarter of 2011. Early in 2011, China was the eighth largest country for app sessions; the country has now moved up to second place.

Source: Flurry